center, which was also evacuated, leaving just one hospital open in lower manhattan, and that's beth israel. mayor michael bloomberg talked about what happened. >> they didn't think the damage was that bad and we did have a generator going and the national guard helped carry fuel up to the roof, because that's where the fuel tank was and they were running out. but the bottom line is when they got into the basement, they realized there was more damage. >> a lot of questions about this right now. joining us now to talk about this is dr. erwin redlenner, he has studied how hospitals handled katrina. he knows everything, really, about disaster preparedness. and doctor, i have to ask you this. we've seen a lot of businesses, big businesses like goldman sachs, big buildings downtown on generator power. they're up and running. why not a hospital? >> well, it's not clear why not a hospital. and one of the problems here is initially, years ago, we had generators in the basements of hospitals, which is obviously something that doesn't really work, because when they get flooded, the generators go out.